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authorTrond Myklebust <Trond.Myklebust@netapp.com>2010-10-19 19:47:49 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2010-10-23 15:27:28 -0400
commit168667c43bbafff11b46014a1e94477ff7619f45 (patch)
tree903bf11fe3b53fe0e7db6ab38d2bdc8933576879 /fs/nfs/nfs4proc.c
parent898f635c4297e91ceac675d83c4a460f26118342 (diff)
NFSv4: The state manager must ignore EKEYEXPIRED.
Otherwise, we cannot recover state correctly. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
-rw-r--r--fs/nfs/nfs4proc.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 88a9d93ec1b..aa771c1af11 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1186,7 +1186,7 @@ static int nfs4_do_open_reclaim(struct nfs_open_context *ctx, struct nfs4_state
int err;
do {
err = _nfs4_do_open_reclaim(ctx, state);
- if (err != -NFS4ERR_DELAY && err != -EKEYEXPIRED)
+ if (err != -NFS4ERR_DELAY)
break;
nfs4_handle_exception(server, err, &exception);
} while (exception.retry);
@@ -1256,6 +1256,13 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state
case -NFS4ERR_ADMIN_REVOKED:
case -NFS4ERR_BAD_STATEID:
nfs4_state_mark_reclaim_nograce(server->nfs_client, state);
+ case -EKEYEXPIRED:
+ /*
+ * User RPCSEC_GSS context has expired.
+ * We cannot recover this stateid now, so
+ * skip it and allow recovery thread to
+ * proceed.
+ */
case -ENOMEM:
err = 0;
goto out;
@@ -1603,7 +1610,6 @@ static int nfs4_do_open_expired(struct nfs_open_context *ctx, struct nfs4_state
goto out;
case -NFS4ERR_GRACE:
case -NFS4ERR_DELAY:
- case -EKEYEXPIRED:
nfs4_handle_exception(server, err, &exception);
err = 0;
}
@@ -3544,7 +3550,6 @@ int nfs4_proc_setclientid_confirm(struct nfs_client *clp,
case -NFS4ERR_RESOURCE:
/* The IBM lawyers misread another document! */
case -NFS4ERR_DELAY:
- case -EKEYEXPIRED:
err = nfs4_delay(clp->cl_rpcclient, &timeout);
}
} while (err == 0);
@@ -4156,7 +4161,7 @@ static int nfs4_lock_reclaim(struct nfs4_state *state, struct file_lock *request
if (test_bit(NFS_DELEGATED_STATE, &state->flags) != 0)
return 0;
err = _nfs4_do_setlk(state, F_SETLK, request, NFS_LOCK_RECLAIM);
- if (err != -NFS4ERR_DELAY && err != -EKEYEXPIRED)
+ if (err != -NFS4ERR_DELAY)
break;
nfs4_handle_exception(server, err, &exception);
} while (exception.retry);
@@ -4181,7 +4186,6 @@ static int nfs4_lock_expired(struct nfs4_state *state, struct file_lock *request
goto out;
case -NFS4ERR_GRACE:
case -NFS4ERR_DELAY:
- case -EKEYEXPIRED:
nfs4_handle_exception(server, err, &exception);
err = 0;
}
@@ -4327,13 +4331,21 @@ int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl)
nfs4_state_mark_reclaim_nograce(server->nfs_client, state);
err = 0;
goto out;
+ case -EKEYEXPIRED:
+ /*
+ * User RPCSEC_GSS context has expired.
+ * We cannot recover this stateid now, so
+ * skip it and allow recovery thread to
+ * proceed.
+ */
+ err = 0;
+ goto out;
case -ENOMEM:
case -NFS4ERR_DENIED:
/* kill_proc(fl->fl_pid, SIGLOST, 1); */
err = 0;
goto out;
case -NFS4ERR_DELAY:
- case -EKEYEXPIRED:
break;
}
err = nfs4_handle_exception(server, err, &exception);
@@ -4562,7 +4574,6 @@ static void nfs4_get_lease_time_done(struct rpc_task *task, void *calldata)
switch (task->tk_status) {
case -NFS4ERR_DELAY:
case -NFS4ERR_GRACE:
- case -EKEYEXPIRED:
dprintk("%s Retry: tk_status %d\n", __func__, task->tk_status);
rpc_delay(task, NFS4_POLL_RETRY_MIN);
task->tk_status = 0;
@@ -5025,7 +5036,6 @@ static int nfs41_sequence_handle_errors(struct rpc_task *task, struct nfs_client
{
switch(task->tk_status) {
case -NFS4ERR_DELAY:
- case -EKEYEXPIRED:
rpc_delay(task, NFS4_POLL_RETRY_MAX);
return -EAGAIN;
default:
@@ -5167,7 +5177,6 @@ static int nfs41_reclaim_complete_handle_errors(struct rpc_task *task, struct nf
case -NFS4ERR_WRONG_CRED: /* What to do here? */
break;
case -NFS4ERR_DELAY:
- case -EKEYEXPIRED:
rpc_delay(task, NFS4_POLL_RETRY_MAX);
return -EAGAIN;
default: